Finding the Fourth Proportional to 9,606.72, 13,256.82 and 5,414.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,606.72 : 13,256.82 = 5,414.88 : x
2. Step 2: Convert to fraction form
   9,606.72/13,256.82 = 5,414.88/x
3. Step 3: Cross multiply
   9,606.72x = 13,256.82 × 5,414.88
4. Step 4: Simplify right side
   9,606.72x = 71,784,089.48
5. Step 5: Solve for x
   x = 71,784,089.48/9,606.72
6. Step 6: Final answer
   x = 7,472.28